Measure the inner dimensions of your laptopThe inner dimensions of our laptop sleeve: 15.5 x11 x 0.78 inches (39.5 x 28 x2 cm). The outer dimensions: 16 x11.4 x1.2 inches (40.5 x29 x3 cm). Please measure the inner dimensions of your laptop before purchasing. Waterproof and ThinThe laptop briefcase is made of high-quality waterproof canvas fabric, which can effectively block water and steam. No need to worry about your laptop and accessories being splashed with water or rain. Ultra-thin and lightweight, it can be easily put into another bag, backpack or briefcase. Extra Pockets and Smooth ZipperThe extra pocket on the front provides enough space to store mouse, headphones, pen, iPhone, notepad and other accessories. The zipper slides smoothly for easy access to your laptop. Shockproof Soft Lining and Side HandlesThis laptop briefcase is particularly soft and anti-static, and the soft lining can effectively absorb impact and reduce damage caused by accidental collisions and scratches. When you want to carry it as a handbag, the side handles help you carry it easily. Compatible devicesAcer Aspire E 15 E5-575 E5-576, 15.6 Acer Aspire 6/Aspire 5/ Aspire 3 CB515 Chromebook, Acer Predator Helios 300, Acer Chromebook 15, Acer Nitro 5, Acer Flagship CB3-532; Asus Zenbook Pro; HP OMEN 15 2018, HP 15-BA009DX, HP Pavilion Power 15, HP Pavilion Notebook 15, Thinkpad T580 E580 P51; 15.6 Lenovo IdeaPad 330 320, Lenovo Yoga 720/730 15.6, Lenovo Flex 5 15.6; Dell Vostro 15; Samsung Notebook Odyssey 15.6 and most 15.6 notebooks. (Not suitable for Acer Nitro V 15.6")